of tomorrow's meeting here in d.c.? >> reporter: i think both sides, both president hamid karzai and president obama will want to walk away from this week's meeting with a clearer picture of how many troops will remain in afghanistan post 2014. there are roughly 66,000 troops based here in afghanistan. both sides will want a clearer picture of what that looks like beyond the pullout. some numbers are reported being considered by the obama administration are 3,000, 6,000 and 9,000. those are considerably smaller levels than the numbers that were proposed by general john allen who is the head commander here in afghanistan for the u.s. forces. he suggested that the troop level should be 6,000 to 20,000. the thinking is if there is a smaller contingent they will assume more of a nimble and more specialops type of deal. if there is a larger contention then they will assume more conventional roles. now, a lot of this may hinge on this notion of immunity. president karzai will have to decide if he will grant immunity for whatever troops remain here. that would give legal protection for troops based h